Files
lazarus-ccr/applications/lazstats/source/forms/analysis/descriptive/bubbleplotunit.pas
2020-09-20 14:15:41 +00:00

751 lines
21 KiB
ObjectPascal

// Use file "bubbleplot2.laz" for testing.
unit BubblePlotUnit;
{$mode objfpc}{$H+}
{$I ../../../LazStats.inc}
interface
uses
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
StdCtrls, Clipbrd, Buttons, ExtCtrls, Math,
MainUnit, Globals, DataProcs, DictionaryUnit, ContextHelpUnit;
type
{ TBubbleForm }
TBubbleForm = class(TForm)
Bevel1: TBevel;
HelpBtn: TButton;
Panel1: TPanel;
TransformChk: TCheckBox;
YLabelEdit: TEdit;
Label8: TLabel;
XLabelEdit: TEdit;
Label7: TLabel;
TitleEdit: TEdit;
Label6: TLabel;
ResetBtn: TButton;
ComputeBtn: TButton;
ReturnBtn: TButton;
IDInBtn: TBitBtn;
IDOutBtn: TBitBtn;
XInBtn: TBitBtn;
XOutBtn: TBitBtn;
YInBtn: TBitBtn;
YOutBtn: TBitBtn;
SizeInBtn: TBitBtn;
SizeOutBtn: TBitBtn;
BubbleEdit: TEdit;
SizeEdit: TEdit;
YEdit: TEdit;
XEdit: TEdit;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
VarList: TListBox;
procedure ComputeBtnClick(Sender: TObject);
procedure FormActivate(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure HelpBtnClick(Sender: TObject);
procedure IDInBtnClick(Sender: TObject);
procedure IDOutBtnClick(Sender: TObject);
procedure ResetBtnClick(Sender: TObject);
procedure SizeInBtnClick(Sender: TObject);
procedure SizeOutBtnClick(Sender: TObject);
procedure VarListSelectionChange(Sender: TObject; {%H-}User: boolean);
procedure XInBtnClick(Sender: TObject);
procedure XOutBtnClick(Sender: TObject);
procedure YInBtnClick(Sender: TObject);
procedure YOutBtnClick(Sender: TObject);
private
{ private declarations }
BubbleCol, XCol, YCol, SizeCol: Integer;
FAutoSized: boolean;
procedure PlotBubbles(
{$IFNDEF USE_TACHART}NoReplications: Integer; XMax, XMin: Integer;{$ENDIF}
YMax, YMin, BubMax, BubMin: Double);
procedure UpdateBtnStates;
public
{ public declarations }
procedure Reset;
end;
var
BubbleForm: TBubbleForm;
implementation
{$R *.lfm}
uses
{$IFDEF USE_TACHART}
TAMultiSeries,
ChartUnit,
{$ELSE}
BlankFrmUnit,
{$ENDIF}
OutputUnit;
{ TBubbleForm }
procedure TBubbleForm.ComputeBtnClick(Sender: TObject);
var
i, j, cell: integer;
Xmin, Xmax, intcell, noreplications, minrep, maxrep: integer;
nobubbles: integer;
varname: string;
Ymin, Ymax, xvalue, yvalue, sizeValue, cellValue: double;
BubMin, BubMax: double;
ncases, ncols, BubbleID, newcol: integer;
GrandYMean, GrandSizeMean: double;
Data: DblDyneMat = nil;
Ymeans: DblDyneVec = nil;
CaseYMeans: DblDyneVec = nil;
SizeMeans: DblDyneVec = nil;
CaseSizeMeans: DblDyneVec = nil;
outline: string;
labels: StrDyneVec = nil;
lReport: TStrings;
begin
BubbleCol := 0;
XCol := 0;
YCol := 0;
SizeCol := 0;
for i := 1 to NoVariables do
begin
varname := OS3MainFrm.DataGrid.Cells[i,0];
if (varname = BubbleEdit.Text) then BubbleCol := i;
if (varname = XEdit.Text) then XCol := i;
if (varname = YEdit.Text) then YCol := i;
if (varname = SizeEdit.Text) then SizeCol := i;
end;
if ((BubbleCol = 0) or (XCol = 0) or (YCol = 0) or (SizeCol = 0)) then
begin
MessageDlg('One or more variables not found.', mtError, [mbOK], 0);
ModalResult := mrNone;
Exit;
end;
// get number of bubbles and replications per bubble (number of bubble id's)
minrep := 1000;
maxrep := -1;
for i := 1 to NoCases do
begin
intcell := StrToInt(OS3MainFrm.DataGrid.Cells[BubbleCol,i]);
if (intcell > maxrep) then maxrep := intcell;
if (intcell < minrep) then minrep := intcell;
end;
nobubbles := maxrep - minrep + 1;
noreplications := 1;
intcell := StrToInt(OS3MainFrm.DataGrid.Cells[BubbleCol,1]);
for i := 2 to NoCases do
begin
cell := StrToInt(OS3MainFrm.DataGrid.Cells[BubbleCol,i]);
if (cell = intcell) then noreplications := noreplications + 1;
end;
// get min, max and range of Y
Ymin := 1.0e308;
Ymax := -1.0e308;
for i := 1 to NoCases do
begin
cellvalue := StrToFloat(OS3MainFrm.DataGrid.Cells[YCol,i]);
if (cellvalue > Ymax) then Ymax := cellvalue;
if (cellvalue < Ymin) then Ymin := cellvalue;
end;
// get min, max and range of X
Xmin := 10000;
Xmax := -1;
for i := 1 to NoCases do
begin
intcell := StrToInt(OS3MainFrm.DataGrid.Cells[XCol,i]);
if (intcell > Xmax) then Xmax := intcell;
if (intcell < Xmin) then Xmin := intcell;
end;
// get min, max, range, and increment of bubble sizes
BubMin := Infinity;
BubMax := -Infinity;
for i := 1 to NoCases do
begin
cellvalue := StrToFloat(OS3MainFrm.DataGrid.Cells[SizeCol,i]);
if (cellvalue > BubMax) then BubMax := cellvalue;
if (cellvalue < BubMin) then BubMin := cellvalue;
end;
// Display basic statistics
nCases := NoCases div NoReplications;
GrandYMean := 0.0;
GrandSizeMean := 0.0;
SetLength(CaseYMeans, nCases);
SetLength(CaseSizeMeans, nCases);
SetLength(YMeans, NoReplications);
SetLength(SizeMeans, NoReplications);
for i := 0 to nCases - 1 do
begin
CaseYMeans[i] := 0.0;
CaseSizeMeans[i] := 0.0;
end;
for i := 0 to NoReplications - 1 do
begin
YMeans[i] := 0.0;
SizeMeans[i] := 0.0;
end;
i := 1;
while (i <= NoCases) do
begin
for j := 0 to NoReplications - 1 do
begin
bubbleID := StrToInt(OS3MainFrm.DataGrid.Cells[BubbleCol,i]);
yvalue := StrToFloat(OS3MainFrm.DataGrid.Cells[YCol,i]);
sizevalue := StrToFloat(OS3MainFrm.DataGrid.Cells[SizeCol,i]);
GrandYMean := GrandYMean + yvalue;
GrandSizeMean := GrandSizeMean + sizevalue;
Ymeans[j] := Ymeans[j] + yvalue;
SizeMeans[j] := SizeMeans[j] + sizevalue;
CaseYMeans[bubbleID-1] := CaseYMeans[bubbleID-1] + yvalue;
CaseSizeMeans[bubbleID-1] := CaseSizeMeans[bubbleID-1] + sizevalue;
inc(i);
end;
end;
GrandYMean := GrandYMean / (ncases * noreplications);
GrandSizeMean := GrandSizeMean / (ncases * noreplications);
for j := 0 to NoReplications - 1 do
begin
Ymeans[j] := Ymeans[j] / ncases;
SizeMeans[j] := SizeMeans[j] / ncases;
end;
for i := 0 to ncases - 1 do
begin
CaseYMeans[i] := CaseYMeans[i] / noreplications;
CaseSizeMeans[i] := CaseSizeMeans[i] / noreplications;
end;
lReport := TStringList.Create;
try
lReport.Add('MEANS FOR Y AND SIZE VARIABLES');
lReport.Add('');
lReport.Add('Grand Mean for Y: %8.3f', [GrandYMean]);
lReport.Add('Grand Mean for Size: %8.3f', [GrandSizeMean]);
lReport.Add('');
lReport.Add('REPLICATION MEAN Y VALUES (ACROSS OBJECTS)');
for j := 0 to NoReplications - 1 do
lReport.Add('Replication %5d Mean: %8.3f', [j+1, Ymeans[j]]);
lReport.Add('');
lReport.Add('REPLICATION MEAN SIZE VALUES (ACROSS OBJECTS)');
for j := 0 to NoReplications - 1 do
lReport.Add('Replication %5d Mean: %8.3f', [j+1, SizeMeans[j]]);
lReport.Add('');
lReport.Add('MEAN Y VALUES FOR EACH BUBBLE (OBJECT)');
for i := 0 to NCases - 1 do
lReport.Add(' Object %5d Mean: %8.3f', [i+1, CaseYMeans[i]]);
lReport.Add('');
lReport.Add('MEAN SIZE VALUES FOR EACH BUBBLE (OBJECT)');
for i := 0 to NCases - 1 do
lReport.Add(' Object %5d Mean: %8.3f', [i+1, CaseSizeMeans[i]]);
// Show the report
if DisplayReport(lReport) then
// Plot the bubbles
PlotBubbles(
{$IFNDEF USE_TACHART}NoReplications, XMax, XMin, {$ENDIF}
YMax, YMin, BubMax, BubMin
);
finally
lReport.Free;
SizeMeans := nil;
Ymeans := nil;
CaseSizeMeans := nil;
CaseYMeans := nil;
end;
// Transform data matrix if elected
if TransformChk.Checked then
begin
ncases := nobubbles;
ncols := noreplications * 3 + 1;
// Note - columns: 1:=object ID, 2 to noreplications := X,
// next noreplications := Y, next noreplications := size
SetLength(Data, ncases, ncols);
i := 1;
while (i <= NoCases) do
begin
for j := 1 to noreplications do
begin
bubbleID := StrToInt(OS3MainFrm.DataGrid.Cells[BubbleCol,i]);
xvalue := StrToFloat(OS3MainFrm.DataGrid.Cells[XCol,i]);
yvalue := StrToFloat(OS3MainFrm.DataGrid.Cells[YCol,i]);
sizevalue := StrToFloat(OS3MainFrm.DataGrid.Cells[SizeCol,i]);
Data[bubbleID-1,0] := bubbleID;
Data[bubbleID-1,j] := xvalue;
Data[bubbleID-1,noreplications+j] := yvalue;
Data[bubbleID-1,noreplications*2+j] := sizevalue;
inc(i);
end;
end;
SetLength(labels, NoVariables+1);
for i := 1 to NoVariables do labels[i] := OS3MainFrm.DataGrid.Cells[i,0];
ClearGrid;
OS3MainFrm.DataGrid.RowCount := ncases + 1;
OS3MainFrm.DataGrid.ColCount := ncols + 1;
for i := 1 to ncases do
begin
OS3MainFrm.DataGrid.Cells[0,i] := IntToStr(i);
for j := 1 to ncols do
OS3MainFrm.DataGrid.Cells[j,i] := FloatToStr(Data[i-1,j-1]);
end;
OS3MainFrm.DataGrid.Cells[1,0] := labels[1];
for j := 2 to NoVariables do // clear dictionary
begin
for i := 0 to 7 do DictionaryFrm.DictGrid.Cells[i,j] := '';
DictionaryFrm.DictGrid.RowCount := DictionaryFrm.DictGrid.RowCount - 1;
VarDefined[j] := false;
end;
DictionaryFrm.DictGrid.Cells[1,1] := labels[1];
for j := 1 to noreplications do
begin
outline := labels[2] + IntToStr(j);
newcol := j + 1;
if (newcol+1 > DictionaryFrm.DictGrid.RowCount) then
DictionaryFrm.DictGrid.RowCount := DictionaryFrm.DictGrid.RowCount + 1;
DictionaryFrm.Defaults(Self,newcol);
VarDefined[newcol] := true;
DictionaryFrm.DictGrid.Cells[1,newcol] := outline;
OS3MainFrm.DataGrid.Cells[newcol,0] := outline;
end;
for j := 1 to noreplications do
begin
outline := labels[3] + IntToStr(j);
newcol := j + 1 + noreplications;
OS3MainFrm.DataGrid.Cells[newcol,0] := outline;
if (newcol+1 > DictionaryFrm.DictGrid.RowCount) then
DictionaryFrm.DictGrid.RowCount := DictionaryFrm.DictGrid.RowCount + 1;
DictionaryFrm.Defaults(Self,newcol);
VarDefined[newcol] := true;
DictionaryFrm.DictGrid.Cells[1,newcol] := outline;
end;
for j := 1 to noreplications do
begin
outline := labels[4] + IntToStr(j);
newcol := j + 1 + noreplications * 2;
OS3MainFrm.DataGrid.Cells[newcol,0] := outline;
if (newcol+1 > DictionaryFrm.DictGrid.RowCount) then
DictionaryFrm.DictGrid.RowCount := DictionaryFrm.DictGrid.RowCount + 1;
DictionaryFrm.Defaults(Self,newcol);
VarDefined[newcol] := true;
DictionaryFrm.DictGrid.Cells[1,newcol] := outline;
end;
NoVariables := ncols;
NoCases := ncases;
OS3MainFrm.NoCasesEdit.Text := IntToStr(NoCases);
OS3MainFrm.NoVarsEdit.Text := IntToStr(NoVariables);
Data := nil;
labels := nil;
end;
end;
procedure TBubbleForm.FormActivate(Sender: TObject);
var
w: Integer;
begin
if FAutoSized then
exit;
w := MaxValue([HelpBtn.Width, ResetBtn.Width, ComputeBtn.Width, ReturnBtn.Width]);
HelpBtn.Constraints.MinWidth := w;
ResetBtn.Constraints.MinWidth := w;
ComputeBtn.Constraints.MinWidth := w;
ReturnBtn.Constraints.MinWidth := w;
Panel1.Constraints.MinHeight := SizeOutBtn.Top + SizeOutBtn.Height;
Panel1.Constraints.MinWidth := 2*Label2.Width + IDInBtn.Width + 2*VarList.BorderSpacing.Right;
Constraints.MinWidth := Width;
Constraints.MinHeight := Height;
FAutoSized := True;
end;
procedure TBubbleForm.FormCreate(Sender: TObject);
begin
Assert(OS3MainFrm <> nil);
if DictionaryFrm = nil then Application.CreateForm(TDictionaryFrm, DictionaryFrm);
Reset;
end;
procedure TBubbleForm.IDInBtnClick(Sender: TObject);
var
i: integer;
begin
i := 0;
while (BubbleEdit.Text = '') and (i < VarList.Items.Count) do
begin
if (VarList.Selected[i]) then
begin
BubbleEdit.Text := VarList.Items[i];
VarList.Items.Delete(i);
i := 0;
end else
inc(i);
end;
UpdateBtnStates;
end;
procedure TBubbleForm.IDOutBtnClick(Sender: TObject);
begin
if BubbleEdit.Text <> '' then
VarList.Items.Add(BubbleEdit.Text);
UpdateBtnStates;
end;
procedure TBubbleForm.HelpBtnClick(Sender: TObject);
begin
if ContextHelpForm = nil then
Application.CreateForm(TContextHelpForm, ContextHelpForm);
ContextHelpForm.HelpMessage((Sender as TButton).Tag);
end;
{$IFDEF USE_TACHART}
procedure TBubbleForm.PlotBubbles(YMax, YMin, BubMax, BubMin: Double);
var
ser: TBubbleSeries;
bubbleIDs: TStringList;
i, j: Integer;
id: Integer;
xValue, yValue, sizeValue: Double;
s: String;
yRange, bubRange: Double;
begin
yRange := YMax - YMin;
BubRange := BubMax - BubMin;
if ChartForm = nil then
ChartForm := TChartForm.Create(Application)
else
ChartForm.Clear;
// Titles
ChartForm.Caption := 'Bubble Plot of ' + OS3MainFrm.FileNameEdit.Text + LineEnding + TitleEdit.Text;
ChartForm.SetTitle(TitleEdit.Text);
if XLabelEdit.Text <> '' then
ChartForm.SetXTitle(XLabelEdit.Text)
else
ChartForm.SetXTitle(XEdit.Text);
if YLabelEdit.Text <> '' then
ChartForm.SetYTitle(YLabelEdit.Text)
else
ChartForm.SetYTitle(YEdit.Text);
// Collect bubble IDs and create a bubble series for each unique ID.
bubbleIDs := TStringList.Create;
try
for i := 1 to NoCases do
begin
s := OS3MainFrm.DataGrid.Cells[BubbleCol, i];
if bubbleIDs.IndexOf(s) = -1 then // Add each ID only once!
bubbleIDs.Add(s);
end;
for i := 0 to bubbleIDs.Count-1 do
begin
ser := TBubbleSeries.Create(ChartForm);
ser.BubbleBrush.Color := DATA_COLORS[i mod Length(DATA_COLORS)];
ser.BubbleRadiusUnits := bruY;
ser.Title := bubbleIDs[i];
ser.Tag := StrToInt(bubbleIDs[i]);
ChartForm.Chart.AddSeries(ser);
end;
finally
bubbleIDs.Free;
end;
for i := 1 to NoCases do begin
id := StrToInt(OS3MainFrm.DataGrid.Cells[BubbleCol, i]);
// Find the series having this ID
for j := 0 to ChartForm.Chart.SeriesCount-1 do
if (ChartForm.Chart.Series[j] is TBubbleSeries) and
(TBubbleSeries(ChartForm.Chart.Series[j]).Tag = id) then
begin
ser := TBubbleSeries(ChartForm.Chart.Series[j]);
break;
end;
xValue := StrToFloat(OS3MainFrm.DataGrid.Cells[XCol, i]);
yValue := StrToFloat(OS3MainFrm.DataGrid.Cells[YCol, i]);
sizeValue := StrToFloat(OS3MainFrm.DataGrid.Cells[SizeCol, i]);
sizeValue := ((sizeValue - BubMin) / BubRange * 0.91 + 0.09) * YRange * 0.1;
// This scaling makes the larges bubble equal to 10% of the y range;
// the ratio of largest to smallest bubble is about 10:1.
ser.AddXY(xValue, yValue, sizeValue);
end;
ChartForm.Chart.Legend.Visible := true;
ChartForm.Show;
end;
{$ELSE}
procedure TBubbleForm.PlotBubbles(NoReplications: Integer;
XMax, XMin: Integer; YMax, YMin, BubMax, BubMin: Double);
var
i, j: Integer;
XLabel, YLabel, Title, valStr, aString: String;
ImageWide, ImageHi, Xstart, Xend, Ystart, Yend, Yincr: integer;
LabelWide, TextHi, Xpos: Integer;
BubColor, place: integer;
X1, Y1, X2, Y2: integer;
dx, dy: Integer;
XRange, XStep: Integer;
YRange, YStep, BubRange: Double;
ratio, value: Double;
intCell: Integer;
xValue, cellvalue: Double;
yProp: Integer;
begin
if BlankFrm = nil then
BlankFrm := TBlankFrm.Create(Application);
XRange := Xmax - Xmin;
XStep := XRange div (NoReplications - 1);
YRange := Ymax - Ymin;
YStep := Yrange / 10;
BubRange := BubMax - BubMin;
BlankFrm.Show;
BlankFrm.Caption := 'BUBBLE PLOT of ' + OS3MainFrm.FileNameEdit.Text;
Xlabel := XlabelEdit.Text;
Ylabel := YlabelEdit.Text;
Title := TitleEdit.Text;
ImageHi := BlankFrm.Image1.Height;
ImageWide := BlankFrm.Image1.Width;
Xstart := ImageWide div 10;
Xend := (ImageWide * 9) div 10;
Ystart := ImageHi div 10;
Yend := (ImageHi * 8) div 10;
BlankFrm.Image1.Canvas.Pen.Color := clBlack;
BlankFrm.Image1.Canvas.Brush.Color := clWhite;
BlankFrm.Image1.Canvas.Rectangle(0,0,ImageWide,ImageHi);
BlankFrm.Image1.Canvas.FloodFill(0,0,clWhite,fsBorder);
BlankFrm.Image1.Canvas.TextOut(Xstart-10,Ystart-30,Ylabel);
LabelWide := BlankFrm.Image1.Canvas.TextWidth(Xlabel);
BlankFrm.Image1.Canvas.TextOut((Xend-Xstart) div 2 - LabelWide,Yend + 40,Xlabel);
LabelWide := BlankFrm.Image1.Canvas.TextWidth(Title);
BlankFrm.Image1.Canvas.TextOut((Xend-Xstart) div 2 - LabelWide div 2, Ystart - 40,Title);
// draw axis lines
BlankFrm.Image1.Canvas.MoveTo(Xstart,Yend);
BlankFrm.Image1.Canvas.LineTo(Xend,Yend);
BlankFrm.Image1.Canvas.MoveTo(Xstart,Yend);
BlankFrm.Image1.Canvas.LineTo(Xstart,Ystart);
// create y axis values
Yincr := (Yend - Ystart) div 10;
for i := 0 to 10 do // print Y axis values
begin
place := Yend - Yincr * i;
value := Ymin + Ystep * i;
valStr := Format('%.2f', [value]);
TextHi := BlankFrm.Image1.Canvas.TextHeight(valStr);
BlankFrm.Image1.Canvas.TextOut(Xstart-30,place-TextHi, valStr);
end;
// create x axis values
for i := 1 to NoReplications do // print x axis
begin
value := Xmin + ((i-1) * Xstep);
ratio := i / NoReplications;
Xpos := round(ratio * (Xend - Xstart));
valStr := Format('%.0f',[value]);
BlankFrm.Image1.Canvas.TextOut(Xpos,Yend + 20, valStr);
end;
// Plot the bubbles
for i := 1 to NoCases do
begin
intcell := StrToInt(OS3MainFrm.DataGrid.Cells[BubbleCol,i]);
xvalue := StrToFloat(OS3MainFrm.DataGrid.Cells[XCol,i]);
cellvalue := StrToFloat(OS3MainFrm.DataGrid.Cells[YCol,i]);
yprop := Yend - round(((cellvalue-Ymin) / Yrange) * (Yend - Ystart));
cellvalue := StrToFloat(OS3MainFrm.DataGrid.Cells[SizeCol,i]);
astring := Trim(OS3MainFrm.DataGrid.Cells[BubbleCol,i]);
cellvalue := ((cellvalue - BubMin) / BubRange) * 20;
cellvalue := cellvalue + 10;
ratio := ((xvalue - Xmin) / Xstep) + 1;
ratio := (ratio / noreplications) * (Xend - Xstart);
Xpos := ceil(ratio);
BubColor := intcell - 1;
while (Bubcolor > 11) do Bubcolor := 12 - Bubcolor;
BlankFrm.Image1.Canvas.Brush.Color := DATA_COLORS[Bubcolor];
X1 := Xpos - ceil(cellvalue);
Y1 := yprop - ceil(cellvalue);
X2 := Xpos + ceil(cellvalue);
Y2 := yprop + ceil(cellvalue);
BlankFrm.Image1.Canvas.Ellipse(X1,Y1,X2,Y2);
BlankFrm.Image1.Canvas.Brush.Color := clWhite;
dx := BlankFrm.Image1.Canvas.TextWidth(astring) div 2;
dy := BlankFrm.Image1.Canvas.TextHeight(astring) div 2;
BlankFrm.Image1.Canvas.TextOut(Xpos-dx, yprop-dy, astring);
end;
end;
{$ENDIF}
procedure TBubbleForm.Reset;
var
i: integer;
begin
BubbleEdit.Text := '';
XEdit.Text := '';
YEdit.Text := '';
SizeEdit.Text := '';
VarList.Clear;
for i := 1 to NoVariables do
VarList.Items.Add(OS3MainFrm.DataGrid.Cells[i,0]);
UpdateBtnStates;
end;
procedure TBubbleForm.ResetBtnClick(Sender: TObject);
begin
Reset;
end;
procedure TBubbleForm.SizeInBtnClick(Sender: TObject);
var
i: integer;
begin
i := 0;
while (SizeEdit.Text = '') and (i < VarList.Items.Count) do
begin
if VarList.Selected[i] then
begin
SizeEdit.Text := VarList.Items[i];
VarList.Items.Delete(i);
i := 0;
end else
inc(i);
end;
UpdateBtnStates;
end;
procedure TBubbleForm.SizeOutBtnClick(Sender: TObject);
begin
if SizeEdit.Text <> '' then
VarList.Items.Add(SizeEdit.Text);
UpdateBtnStates;
end;
procedure TBubbleForm.UpdateBtnStates;
var
i: Integer;
lSelected: Boolean;
begin
lSelected := false;
for i:=0 to VarList.Count-1 do
if VarList.Selected[i] then
begin
lSelected := true;
break;
end;
IDInBtn.Enabled := lSelected and (BubbleEdit.Text = '');
XInBtn.Enabled := lSelected and (XEdit.Text = '');
YInBtn.Enabled := lSelected and (YEdit.Text = '');
SizeInBtn.Enabled := lSelected and (SizeEdit.Text = '');
IDOutBtn.Enabled := BubbleEdit.Text <> '';
XOutBtn.Enabled := XEdit.Text <> '';
YOutBtn.Enabled := YEdit.Text <> '';
SizeOutBtn.Enabled := SizeEdit.Text <> '';
end;
procedure TBubbleForm.VarListSelectionChange(Sender: TObject; User: boolean);
begin
UpdateBtnStates;
end;
procedure TBubbleForm.XInBtnClick(Sender: TObject);
var
i: integer;
begin
i := 0;
while (XEdit.Text = '') and (i < VarList.Items.Count) do
begin
if VarList.Selected[i] then
begin
XEdit.Text := VarList.Items[i];
VarList.Items.Delete(i);
i := 0;
end else
inc(i);
end;
UpdateBtnStates;
end;
procedure TBubbleForm.XOutBtnClick(Sender: TObject);
begin
if XEdit.Text <> '' then
VarList.Items.Add(XEdit.Text);
UpdateBtnStates;
end;
procedure TBubbleForm.YInBtnClick(Sender: TObject);
var
i: integer;
begin
i := 0;
while (YEdit.Text = '') and (i < VarList.Items.Count) do
begin
if VarList.Selected[i] then
begin
YEdit.Text := VarList.Items[i];
VarList.Items.Delete(i);
i := 0;
end else
inc(i);
end;
UpdateBtnStates;
end;
procedure TBubbleForm.YOutBtnClick(Sender: TObject);
begin
if YEdit.Text <> '' then
VarList.Items.Add(YEdit.Text);
UpdateBtnStates;
end;
end.